精品MACD，提示低位金叉，二次金叉，底背离，顶背离一目了然

源码

DIFF:EMA(CLOSE,12)-EMA(CLOSE,27);
DEA:EMA(DIFF,9);
MACD:2*(DIFF-DEA), COLORSTICK,LINETHICK2;
低位金叉:=CROSS(DIFF,DEA) AND DIFF<-0.1;
STICKLINE(低位金叉,0,0.08,6,0),COLORYELLOW;
DRAWTEXT(低位金叉,0.16,' 低位金叉'),COLORWHITE;
JCCOUNT:=COUNT(CROSS(DIFF,DEA),BARSLAST(DEA>=0));
二次金叉:=CROSS(DIFF,DEA) AND DEA<0 AND COUNT(JCCOUNT=2,21)=1;
STICKLINE(二次金叉,0,0.06,6,0),COLORFF00FF;
DRAWICON(二次金叉,DEA*0.9,1) ;
DRAWTEXT(二次金叉,0.2,' 二次金叉'),COLORYELLOW;
A1:=BARSLAST(REF(CROSS(DIFF,DEA),1